Rock Springs Capital Management’s Acadia Healthcare ACHC Stock Holding History

Rock Springs Capital Management’s Portfolio ACHC Stock Details ACHC Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$1.77M	Sell	75,500 -44,500	-37%	-$806K	0.1%	91
2025 Q4	$1.7M	Sell	120,000 -50,000	-29%	-$946K	0.09%	93
2025 Q3	$4.21M	Sell	170,000 -526,000	-76%	-$11.7M	0.25%	69
2025 Q2	$15.8M	Buy	696,000 +14,900	+2%	+$353K	0.98%	34
2025 Q1	$20.7M	Buy	681,100 +97,600	+17%	+$3.72M	1.18%	31
2024 Q4	$23.1M	Sell	583,500 -231,500	-28%	-$10.4M	0.88%	41
2024 Q3	$51.7M	Sell	815,000 -362,500	-31%	-$26.2M	1.68%	18
2024 Q2	$79.5M	Hold	1,177,500	–	–	2.39%	7
2024 Q1	$93.3M	Buy	1,177,500 +104,000	+10%	+$8.5M	2.37%	9
2023 Q4	$83.5M	Buy	1,073,500 +165,500	+18%	+$12.3M	2.05%	16
2023 Q3	$63.8M	Hold	908,000	–	–	1.71%	19
2023 Q2	$72.3M	Buy	908,000 +47,132	+5%	+$3.41M	1.72%	21
2023 Q1	$62.2M	Buy	860,868 +15,368	+2%	+$1.2M	1.48%	22
2022 Q4	$69.6M	Buy	845,500 +500	+0.1%	+$41.2K	1.67%	21
2022 Q3	$66.1M	Buy	845,000 +91,500	+12%	+$7.31M	1.71%	17
2022 Q2	$51M	Hold	753,500	–	–	1.48%	21
2022 Q1	$49.4M	Buy	753,500 +5,000	+0.7%	+$290K	1.24%	30
2021 Q4	$45.4M	Buy	748,500 +38,500	+5%	+$2.3M	1.05%	32
2021 Q3	$45.3M	Buy	710,000 +10,000	+1%	+$631K	0.95%	36
2021 Q2	$43.9M	Hold	700,000	–	–	0.87%	36
2021 Q1	$40M	Hold	700,000	–	–	0.87%	40
2020 Q4	$35.2M	Sell	700,000 -60,000	-8%	-$2.39M	0.75%	46
2020 Q3	$22.4M	Sell	760,000 -140,000	-16%	-$4.06M	0.57%	59
2020 Q2	$22.6M	Hold	900,000	–	–	0.62%	57
2020 Q1	$16.5M	Sell	900,000 -75,000	-8%	-$2.15M	0.68%	53
2019 Q4	$32.4M	Sell	975,000 -315,000	-24%	-$9.87M	1.02%	33
2019 Q3	$40.1M	Buy	1,290,000 +235,000	+22%	+$7.16M	1.6%	14
2019 Q2	$36.9M	Buy	1,055,000 +130,000	+14%	+$4.2M	1.33%	20
2019 Q1	$27.1M	Buy	925,000 +24,250	+3%	+$687K	1.05%	28
2018 Q4	$23.2M	Buy	900,750 +200,750	+29%	+$6.95M	1.09%	27
2018 Q3	$24.6M	Sell	700,000 -553,500	-44%	-$22.1M	0.89%	35
2018 Q2	$51.3M	Hold	1,253,500	–	–	1.97%	10
2018 Q1	$49.1M	Hold	1,253,500	–	–	2.1%	6
2017 Q4	$40.9M	Sell	1,253,500 -51,500	-4%	-$1.78M	1.86%	13
2017 Q3	$62.3M	Sell	1,305,000 -45,000	-3%	-$2.19M	2.88%	5
2017 Q2	$66.7M	Buy	1,350,000 +75,000	+6%	+$3.32M	3.37%	2
2017 Q1	$55.6M	Buy	1,275,000 +117,500	+10%	+$4.77M	3.21%	2
2016 Q4	$38.3M	Buy	1,157,500 +232,822	+25%	+$9.03M	2.56%	6
2016 Q3	$45.8M	Buy	924,678 +87,678	+10%	+$4.57M	2.87%	4
2016 Q2	$46.4M	Buy	837,000 +87,500	+12%	+$5.12M	3.43%	2
2016 Q1	$41.3M	Buy	749,500 +74,500	+11%	+$4.25M	3.46%	3
2015 Q4	$42.2M	Sell	675,000 -137,000	-17%	-$8.92M	3.19%	3
2015 Q3	$53.8M	Buy	812,000 +300,250	+59%	+$23.1M	4.37%	1
2015 Q2	$40.1M	Buy	511,750 +149,250	+41%	+$10.7M	2.93%	4
2015 Q1	$26M	Buy	362,500 +32,750	+10%	+$2.1M	2.43%	9
2014 Q4	$20.2M	Buy	329,750 +126,750	+62%	+$7.38M	2.36%	12
2014 Q3	$9.85M	Buy	203,000 +83,000	+69%	+$4.06M	1.52%	22
2014 Q2	$5.46M	Buy	+120,000	New	+$5.27M	0.98%	33

Other funds holding ACHC

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

KCM

Khrom Capital Management Miami Beach, Florida $1.09B AUM 14.82% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Deerfield Management New York $8.48B AUM 99.04% 1-Year Est. Return

DCM

DME Capital Management New York $3.19B AUM 23.22% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

ABI

Abrams Bison Investments Bethesda, Maryland $2.31B AUM 40.26% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Rock Springs Capital Management's ACHC Position: Q1 2026 in Review

Rock Springs Capital Management reduced its Acadia Healthcare (ACHC) stake by 37% in Q1 2026, selling an estimated $806K and leaving 75,500 shares worth $1.77M. The position accounts for 0.1% of the portfolio, ranked #91.

Rock Springs Capital Management first reported a position in ACHC in Q2 2014 and has held it in 48 quarters since. The position peaked at $93.3M in Q1 2024. 295 funds tracked by Wall St. Rank hold ACHC as of Q1 2026.

Rock Springs Capital Management held 75,500 shares of Acadia Healthcare worth $1.77M as of Q1 2026.
Rock Springs Capital Management sold 44,500 Acadia Healthcare shares in Q1 2026, an estimated $806K.
Acadia Healthcare made up 0.1% of Rock Springs Capital Management's portfolio in Q1 2026, its #91 holding.
Rock Springs Capital Management first reported a position in Acadia Healthcare in Q2 2014 and has held it in 48 quarters since.
Rock Springs Capital Management's Acadia Healthcare position peaked at $93.3M in Q1 2024.
295 funds tracked by Wall St. Rank held Acadia Healthcare as of Q1 2026.

Based on Rock Springs Capital Management's 13F filing for Q1 2026, filed 15 May 2026.